Temperature-dependent luminescence and energy transfer in Europium and rare-earth-codoped nanostructured sol-gel SiO2 glasses

Srinivasa Buddhudu; Makoto Morita; Hong Xi Zhang; Chan Hin Kam; Yee Loy Lam; Yan Zhou; Terence Kin Shun Wong; Yuen Chuen Chan; Boon Siew Ooi; Seng Lee Ng; Wenxiu Que

doi:10.1117/12.370348

12 November 1999 Temperature-dependent luminescence and energy transfer in Europium and rare-earth-codoped nanostructured sol-gel SiO₂ glasses

Srinivasa Buddhudu, Makoto Morita, Hong Xi Zhang, Chan Hin Kam, Yee Loy Lam, Yan Zhou, Terence Kin Shun Wong, Yuen Chuen Chan, Boon Siew Ooi, Seng Lee Ng, Wenxiu Que

Author Affiliations +

Proceedings Volume 3896, Design, Fabrication, and Characterization of Photonic Devices; (1999) https://doi.org/10.1117/12.370348
Event: International Symposium on Photonics and Applications, 1999, Singapore, Singapore

Abstract

Temperature-dependent luminescence spectra, lifetimes and energy transfer in Eu³⁺ and other rare earths co- doped sol-gel SiO₂ glasses, were investigated in the temperature range from 10K to 300K. Due to the addition of the other rare earths as co-dopants, luminescence spectra of Eu³⁺ have shown significant changes not only in spectral intensities but also in emission peak features. Evaluation of the temperature-dependent energy transfer rates and lifetimes and the computation of critical energy transfer distances by employing two different energy transfer model schemes, have provided evidence for such luminescence behavior in the nanometer-size confined glass matrices.

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Srinivasa Buddhudu, Makoto Morita, Hong Xi Zhang, Chan Hin Kam, Yee Loy Lam, Yan Zhou, Terence Kin Shun Wong, Yuen Chuen Chan, Boon Siew Ooi, Seng Lee Ng, and Wenxiu Que "Temperature-dependent luminescence and energy transfer in Europium and rare-earth-codoped nanostructured sol-gel SiO₂ glasses", Proc. SPIE 3896, Design, Fabrication, and Characterization of Photonic Devices, (12 November 1999); https://doi.org/10.1117/12.370348

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